Western Australia preference deal a mistake, say Barnaby Joyce and Pauline Hanson, but Turnbull sees no evidence of federal concerns in rout of Liberals

Senator Pauline Hanson at One Nation’s election night party in Perth on Saturday.
Senator Pauline Hanson at One Nation’s election night party in Perth on Saturday. Hanson blamed a preference deal with the Liberals for the party’s poor showing in the state election. Photograph: Rebecca Le May/AAP